Air flow shield



FIG. 1 is a perspective view of an air flow shield, showing our new design;

FIG. 2 is a front elevational view taken from FIG. 1;

FIG. 3 is a back elevational view taken from FIG. 1;

FIG. 4 is a top plan view taken from FIG. 1;

FIG. 5 is a bottom plan view taken from FIG. 1; and,

FIG. 6 is a side view taken from FIG. 1, the opposite side view being symmetrical. 

CLAIM The ornamental design for an air flow shield, as shown and described. 